Chest pack strap system



FIG. 1 is a front perspective view of a chest pack strap system showingmy new design;

FIG. 2 is an enlarged front view thereof;

FIG. 3 is an enlarged rear view thereof;

FIG. 4 is a front view on a reduced scale shown in a condition of use ona person; and,

FIG. 5 is a rear view on a reduced scale shown in a condition of use ona person.

The broken line showing of environment in FIGS. 1-5 is for illustrationpurposes only and forms no part of the claimed design.

I claim the ornamental design for a chest pack strap system, as shown,and described.